نتایج جستجو برای: high and very high susceptbility zone

تعداد نتایج: 17114422  

Journal: :international journal of environmental research 2012
v.a. guinder c.a. popovich g.m.e. perillo

under the contemporary scenario of global climate change and increasing coastal eutrophication, baseline studies of phytoplankton diversity and distribution in relation to habitat conditions constitute the first approach to evaluate potential shifts at the base of the food webs. here we present data of phytoplankton species composition and environmental variables in winter 2006 in a temperate ...

ژورنال: سنجش و ایمنی پرتو 2018

In this article, we used SuperMc 3.2 Software for have studied two models of welding radiographic techniques that are more common in radiographs (Dobell Walls and Single Image (DWSI) and Single Wall and Single Image (SWSI) technique) , without the use of a collimator and in terms of radiation risk and radiation safety. According to results, Due to the lack of a collimator, the risk of radiation...

Journal: :iranian journal of public health 0
mahbubeh saei 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medicalsciences , tehran, iran. kourosh holakouie-naieni 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medicalsciences , tehran, iran. ehsan mostafavi 2. dept. of epidemiology, pasteur institute of iran , tehran, iran. mohammad ali sahraian 3. sina ms research center, dept. of neurology, sina hospital, tehran university of medical sciences , tehran, iran. mahmood mahmoodi 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medicalsciences , tehran, iran. mohammad ali mansournia 1. dept. of epidemiology and biostatistics, school of public health, tehran university of medicalsciences , tehran, iran.

multiple sclerosis (ms) is a disease with high disabling disorders and considerable social and economic impacts. this study was conducted to analyze the spatial distribution of ms disease in tehran, iran during 2001-2012.the existing information in the ms patients' medical files who had registered in iranian ms society (imss), located in tehran office, was used for analysis. the relationship be...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم انسانی 1389

abstract amino acids are building blocks of proteins, and play a vital role in living beings existence and their functionality. the interaction of these compounds with metal ions is of great importance to biochemists, and chemists, because their functions can be utilized as a model in understanding enzymes mechanism for transport of metal ions to tissues. among twenty essential amino acids w...

Bayati, , Bonyadi, , Hosseini, , Mehrdad, ,

Mehdiabad zinc-lead-barite deposit is located in the Central Iran structural zone and about 116 km southeast of Yazd. The host rock of this deposit is Lower Cretaceous dolomitic limestone of the Taft Formation . The main ore minerals in the Mehdiabad East Ridge ore zone include hemimorphite, hydrozincite, cerussite, and chalcophanite. Ore textures are mainly replacement, brecciated, and open-sp...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده علوم انسانی 1390

increasing academic and professional language demands around the world are not a deniable fact. the purpose of this study was to investigate english language needs and communication needs of the chemistry students at master and ph.d. levels at the iranian universities. in this research, different methods were used including un-structured interview, structured interview, and two sets of question...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی شهید صدوقی یزد 1381

یکی از مشکل ترین جنبه های درمان ارتودنسی ، کنترل بعد عمودی اکلوژن است . بیماران ‏‎high-angle‎‏ مستعد ظهور علائم شدیدتری در طی درمان ارتودنسی هستند. در طی تکامل و رشد صورت ، تغییرات جبرانی در میزان و مسیر رویش دندانها رخ می دهد که تمایل دارند تغییرات پوزیشنال بین فکین را متعادل کنند.

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